Lightweight non-resonant stator support

Abstract

The present invention relates to a wind turbine having a generator with stator and rotor in a machine housing that is disposed at the top of the wind turbine tower, wherein the stator has a support construction comprising a plurality of support arms. The generator of the wind turbine is a ring generator.

What is claimed is:  
     
       1. An apparatus, comprising: 
       a ring generator having a stator and a rotor;  
       a support construction having a stator ring and one or more stator windings, the support construction formed by a plurality of support arms, each support arm supporting the stator and having a plurality of bars and assembled from said plurality of bars; and  
       one or more support plates, each support elate attached to an end of one of the plurality of support arms and to the stator, the stator being mounted to the support plate in such a-way that the stator is axially displaced from the support construction.  
     
     
       2. The apparatus according to  claim 1 , further including: 
       a wind turbine coupled to the rotor to cause rotation of the rotor under wind power.  
     
     
       3. The wind turbine according to  claim 2 , characterized in that at least one support arm of the stator support is divided into at least two extension arms. 
     
     
       4. The wind turbine according to  claim 2 , characterized in that an outer portion of each of one or more extension arms runs at a predefined angle to each of one or more extension arms. 
     
     
       5. The wind turbine according to  claim 2 , characterized in that the cross-section of at least one support arm, or an extension arm of a support arm, decreases towards the end away from a base of said support arm. 
     
     
       6. The wind turbine according to  claim 2 , further comprising: 
       a perpendicular displacement member, having an end connected to the support arm or an extension arm of the support arm; and  
       a plate attached at an end of the perpendicular displacement member away from the support arm or an extension arm of the support arm, the area of said plate being greater than the cross-sectional area of the perpendicular displacement member at the point of attachment to the plate.  
     
     
       7. The wind turbine according to  claim 2 , characterized in that the support arms are installed as single segments and cooperate in situ as a stator support. 
     
     
       8. The apparatus according to  claim 1 , characterized in that at least two support arms are joined together to form segments, wherein said segments cooperate in situ as a stator support. 
     
     
       9. The apparatus according to  claim 1 , characterized in that the support arms are joined together to form an integral stator support. 
     
     
       10. A stator support construction apparatus, comprising: 
       a stator;  
       one or more stator windings;  
       a plurality of support arms, each support arm supporting the stator and having a plurality of bars and assembled from said plurality of bars; and  
       one or more support plates, each support plate attached to an end of one of the plurality of support arms and to the stator, the stator being mounted to the support plate wherein the stator is axially displaced from the support construction.  
     
     
       11. The stator support construction apparatus according to  claim 10 , wherein at least one support arm is divided into a plurality of extension arms. 
     
     
       12. The stator support construction apparatus according to  claim 11 , wherein the outer portion of at least one extension arm runs at a predefined angle to at least one other extension arm. 
     
     
       13. The stator support construction apparatus according to  claim 10 , wherein the cross-sectional width of at least one support arm, or an extension arm of a support arm, decreases towards the end away from a base of the support arm. 
     
     
       14. The stator support construction apparatus according to  claim 13 , further comprising: 
       a perpendicular displacement member, having an end connected to the support arm or an extension arm of the support arm; and  
       a plate is attached at an end of the perpendicular displacement member away from the support arm or an extension arm of the support arm, the area of the plate being greater than the cross-sectional area of the perpendicular displacement member at the point of attachment to the plate.  
     
     
       15. A stator support construction apparatus, comprising: 
       a stator;  
       one or more stator windings;  
       a plurality of support arms, each support arm supporting the stator and having a plurality of bars and assembled from said plurality of bars wherein the cross-sectional width of at least one support arm decreases towards the end away from a base of the support arm;  
       a perpendicular displacement member, having an end connected to the support arm or an extension arm of the support arm; and  
       one or more support plates, each support plate being attached at an end of the perpendicular displacement member away from the support arm, the area of the plate being greater than the cross-sectional area of the perpendicular displacement member at the point of attachment to the plate wherein the stator is axially displaced from the support construction.